Chondrostereum purpureum: The Silent Killer Hiding in Old Tree Stumps
“Chondrostereum purpureum” may not be a household name, but homeowners, arborists, and landscapers should know it well. This fungus—best known for causing “silver leaf disease”—is one of the most destructive pathogens affecting fruit trees, ornamentals, and stressed hardwoods across North America and Europe. It thrives quietly in dead wood, old stumps, and pruning wounds, waiting for the perfect opportunity to…

